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Question
Write scientific reason.
A coil made up of alloy Nichrome is used in the electric heater cooker as a resistor.
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Solution
- The electric heater-cooker works on the principle of heating effect of electric current.
- Alloys (such as nichrome) as compared to metals have higher resistivity.
- Unlike metals they can be heated to higher temperature.
Hence, a coil made up of alloy nichrome is used in the electric heater-cooker as a resistor.
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